*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
.nav-left,.nav-con,.nav-right{
    float: left;
    width: 33.333333%;
}
.container:after{
    clear: both;
    content: "";
    display: block;
}
.container{
    width: 870px;
    margin: auto;
}
nav{
    padding-top:11px ;
}
header{
    background: #59b2de;
}

.nav-left{
    height: 56px;
}
.nav-con{
    text-align: center;
}
.nav-right{
    text-align: right;
}
.nav-right a{
    font-weight: bold;
    font-size: 12px;
    text-decoration: none;
    color: #fff;
}
.nav-right a img{
    display: none;
}

.banner .col{
    width: 50%;
    float: left;
}
.col p{
    font-weight: bold;
    color: #fff;
}
.col h1{
    font-weight: 300;
    font-size: 36px;
    color: #fff;
    margin-bottom: 25px;
}
.col a{
    padding: 15px 53px;
    background: #2996cc;
    text-decoration: none;
    color: #fff;
    font-size: 12px;
    border-radius: 2px;
    display: inline-block;
    transition: .2s;
}
.banner.col a:hover{
    background: #1882b7;
}
.banner img{
    width: 100%;
    display: block;
}
.container{
    margin-bottom: 60px;
}
main .container .col{
    width: 25%;
    float: left;
    text-align: center;
    padding-left: 10px;
    padding-right: 10px;
}
main .container .col p{
    font-size: 14px;
    color: #798292;
}
main .container h3{
    font-size: 14px;
    margin-bottom: 10px;
}
main .container img{
    margin-bottom: 10px
}
.download{
    border-top: 1px solid #e0e0e0;
    text-align: center;
    margin: 0 65px;
    padding-top:65px ;
}
.download h2{
    margin-bottom: 20px;
}
.download p{
    margin-bottom: 35px;
}
.download a{
    display: inline-block;
}
.download img {
    margin-bottom: 0;
    margin-left: 25px;
}
footer{
    background: #1b2126;
    color: #6a777d;
    padding-top: 60px;
    padding-bottom: 60px;
}
footer .container{
    margin-bottom: 0;
}
@media (max-width: 600px) {
    .container{
        width: 100%;
    }
    .nav-right  a span{
        display: none;
    }
    .nav-right a img{
        display: inline-block;
        margin-right: 42px;
    }
    .banner .col{
        width:100%;
        text-align: center;
    }
    .banner img {
        width: 80%;
    }
    .banner a{
        margin-bottom: 30px;
    }
    main .container .col{
        width: 80%
    }
    main .download .container{
        width: 90%;
    }
    .download{
        margin: 0;
    }
    footer .container p{
        padding-left: 40px;
    }
}